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DEVICE FOR SIMULATING LONG CORES CONNECTED IN PARALLEL FOR MULTI-LAYER COMMINGLED PRODUCTION OF LOW-PERMEABILITY GAS RESERVOIR
DEVICE FOR SIMULATING LONG CORES CONNECTED IN PARALLEL FOR MULTI-LAYER COMMINGLED PRODUCTION OF LOW-PERMEABILITY GAS RESERVOIR
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机译：用于模拟低渗透气藏的多层混合生产的并行连接的长孔模拟装置
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摘要
A device for simulating long cores connected in parallel for multi-layer commingled production of a low-permeability gas reservoir. The device comprises: a gas pressurizing component for supplying a high-pressure gas used to simulate a gas reservoir flow; multiple long core holders (7) arranged in parallel, communicating with the gas pressurizing component, and used to hold long cores; a temperature controller (8) for controlling a temperature of the long core holders (7) to simulate a gas reservoir temperature; a confining pressure pump (4) for controlling a pressure of the long core holders (7) to simulate the pressure of an overburden of a gas reservoir; a first back pressure valve (12) communicating with the long core holders (7); a fully automatic gas meter (11) communicating with the first back pressure valve (12) and used to measure a gas production rate and a gas production amount; and a second hydraulic pump (15) communicating with the first back pressure valve (12) and used to simulate a Christmas tree portion of a gas well. The device enables measurements of parallel gas flows, thereby effectively preventing measurement errors caused by small-scale gas flows.
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